retractable eyepiece monocular telescope 16x52

{"cid":"91199509","title":"HD Mobile Phone Monocular Telescope 12x50 16x52 With Quick Phone Holder","imgUrl":"https:\/\/img.chinax.com\/nimg\/24\/9b\/cfa7a509bf9bebf4f84a4e54dd96-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"CTWR","Model Number":"YMT1","Minimum Order Quantity":"10 peice","Delivery Time":"10-15 days","Certification":"CE,FCC,ROHS","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram,Paypal","Supply Ability":"10000 per month","Packaging Details":"can be customized","Product name":"12x50 monocular","Magnification":"12x","Objective lens":"50mm","Eyepiece lens":"18mm","Exit pupil dia":"4.45mm","Exit pupil dis":"12.8mm","Field angle":"5.6\u00b0","Coated":"FMC","Prism":"Bak4","Weight":"435g"}}